Susan Wallace - President
Susan Wallace has over 20 years experience in Analysis, Programming, and Project Management. Experience includes Design, Programming, and Implementation of Database Management Systems, Micro-simulation Modeling, and the Analysis of large public use databases and surveys. Ms. Wallace has a M.S. in Information Systems Management, a B.A. Economics, and a B.A. in Spanish from the University of Maryland, College Park.
Karl Musser - Senior GIS Analyst
Karl Musser has over ten years experience using GIS in Urban and Resource Management Applications and over six years experience as a Web Developer. He has over six years experience in Sun/Solaris UNIX and Windows NT computer platforms. Mr. Musser has a M.S. in Geography from Oregon State University, Corvallis, Oregon and a B.A. in Geography, Environmental Studies from Macalester College, St. Paul, Minnesota.

Jan Urbanczyk is Projects Manager for PSI-GIS. He is a retired Marine Corps Officer and a Vietnam Veteran. He has over 30 years of managerial experience.
George Wallace has been a partner of Paradigm Systems for the last 13 years. He brings PhD level statistical knowledge and expertise to PSI-GIS.